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This can be used to run a command as root outside and inside of Docker where sudo might not be available.
When working with package sources you can pass the plain text asc key into signed-by instead of a binary gpg key.
Even the smallest contributes are often welcome and they could lead to internal discussions that promote change.
This can cause pull errors that may lead you down the wrong path or cause fun and exciting errors with anything you're running afterwards.
A low port is anything < 1024. You can use sysctl to fix permission errors to run a containerized web process that listens on port 80.
Quickly recursively delete all empty directories. We'll be able to perform a dry run too.
This was possible with some earlier versions of Docker Compose v2 but it was technically classified as a bug.
This could be handy as you transition into using containers or want to configure something slightly different in Kubernetes.
This sure beats running a command and hitting the up arrow dozens of times per minute while you wait for a change.
They're core GNU tools that you likely already have available. It's handy to make output more readable on high resolution displays.
Placing an order and capturing a payment are really different actions. I also learned a lot in a few days.
We'll go over deleting 1 or more lines that match a regex as well as deleting specific lines by number reference.
We'll go over creating a script to read in JSON from a file or your clipboard complete with multi-line syntax highlighting.
The use case we'll go over is performing a major database upgrade for a large application that's running in production.
I use it multiple times a day and it never fails me. If you're looking for a secure offline password manager, look no further.
It's important to differentiate these to protect your app from not starting up if a required env var is missing.
Here's a few things I keep in mind when trying to solve problems that require a decent amount of thinking or I don't know where to start.
They're handy for adding common behavior to admin pages, versioned APIs, etc. or grouping up related blueprints.
We'll go over how to determine this and cover a use case of when you might want to create a script that handles both.
This can be handy to delete temp files that your script creates or to always write a log file out if the script works or fails.
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